00864nam0-22003131i-450-9900025497304033210387906851000254973FED01000254973(Aleph)000254973FED0100025497320000920d1982----km-y0itay50------baENG<<A >>Hilbert Space Problem BookPaul R. Halmos.2.ed.New YorkSpringer Verlag1982.xvii, 369 p.24 cmGraduate texts in mathematics19Analisi funzionale, Spazi funzionali515Halmos,Paul Richard22815ITUNINARICAUNIMARCBK990002549730403321MXI-C-43539MASMASHilbert space problem book187561UNINAING01